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VoidSpaceAnalysis

oxiphysics_geometry::sphere_packing::types

Struct VoidSpaceAnalysis 

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pub struct VoidSpaceAnalysis {
    pub spheres: Vec<PackingSphere>,
    pub domain: [f64; 3],
    pub grid_resolution: usize,
}
Expand description

Void space analysis for sphere packings.

Analyses the pore space between spheres, computing pore size distributions, percolation thresholds, and void connectivity.

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§spheres: Vec<PackingSphere>

Spheres in the packing.

§domain: [f64; 3]

Domain dimensions.

§grid_resolution: usize

Grid resolution for voxelization.

Implementations§

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impl VoidSpaceAnalysis

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pub fn new( spheres: Vec<PackingSphere>, domain: [f64; 3], grid_resolution: usize, ) -> Self

Create a new void space analyzer.

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pub fn point_in_sphere(&self, pt: [f64; 3]) -> bool

Check if a point is inside any sphere.

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pub fn void_fraction_by_voxelization(&self) -> f64

Compute the void fraction by voxelization.

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pub fn pore_radius_at(&self, pt: [f64; 3]) -> f64

Compute the distance from point pt to the nearest sphere surface.

Returns the maximum inscribed sphere radius at this point (pore radius).

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pub fn pore_size_distribution( &self, n_samples: usize, n_bins: usize, ) -> Vec<(f64, usize)>

Compute the pore size distribution using random sampling.

Samples n_samples random points in the void space and returns a histogram of pore radii.

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pub fn estimate_percolation_threshold(&self) -> f64

Estimate the percolation threshold.

Uses the void fraction as a proxy: percolation typically occurs when void fraction > 0.32 in 3D.

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pub fn is_percolating(&self, void_fraction: f64) -> bool

Check if the packing is above the percolation threshold.

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pub fn specific_surface_area(&self) -> f64

Compute the specific surface area (surface area per unit volume).

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pub fn analyze(&self, n_psd_samples: usize, n_bins: usize) -> VoidSpaceResult

Perform a full analysis.

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